package com.atguigu.lease.web.admin.service.impl;

import com.atguigu.lease.common.minio.MinioProperties;
import com.atguigu.lease.web.admin.service.FileService;
import io.minio.*;
import io.minio.errors.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

@Service
public class FileServiceImpl implements FileService {
//文件业务上传实现注入api
    @Autowired
    private MinioProperties minioProperties;

    @Autowired
    private MinioClient minioClient;
    @Override
    public String upload(MultipartFile file) throws ServerException, InsufficientDataException, ErrorResponseException, IOException, NoSuchAlgorithmException, InvalidKeyException, InvalidResponseException, XmlParserException, InternalException {
        //规划者模式上传文件
        //判断桶是否存在不存在创建
        boolean bucketExists =minioClient.bucketExists(BucketExistsArgs.builder().bucket(minioProperties.getBucketName()).build());
        if (!bucketExists){
            minioClient.makeBucket(MakeBucketArgs.builder().bucket(minioProperties.getBucketName()).build());
            String config = """
                                   {
                                         "Statement" : [ {
                                           "Action" : "s3:GetObject",
                                           "Effect" : "Allow",
                                           "Principal" : "*",
                                           "Resource" : "arn:aws:s3:::%s/*"
                                         } ],
                                         "Version" : "2012-10-17"
                                   }
                               """.formatted(minioProperties.getBucketName());
            minioClient.setBucketPolicy(SetBucketPolicyArgs.builder().bucket(minioProperties.getBucketName()).config(config).build());
        }
        //优化下载名+UUID
        String objectName =new SimpleDateFormat("yyyyMMdd").format(new Date())+"/"+ UUID.randomUUID().toString()+"_"+file.getOriginalFilename();

        minioClient.putObject(PutObjectArgs.builder().bucket(minioProperties.getBucketName()).
                contentType(file.getContentType())
                .object(objectName)
                .stream(file.getInputStream(),file.getSize(),-1)
                .build());
//拼接回显地址
        return String.join("/",minioProperties.getEndPoint(),minioProperties.getBucketName(),objectName);
    }
}
